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<TITLE>JavaScript Source Code 3000:  Games:  Lottery Numbers</TITLE>
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<META NAME="date" CONTENT="2000-09-09">
<META NAME="channel" CONTENT="Web Developer">
<META NAME="author" CONTENT="JavaScript Source Code 3000">
<META NAME="section" CONTENT="Games">
<META NAME="description" CONTENT="This JavaScript will help you pick your lottery numbers. Pick how many numbers you want (pick 3 ?) and then give it a number range and out comes your lottery numbers! Try it!">

<SCRIPT LANGUAGE="JavaScript">




<!-- Begin
function numbers() {
var nummenu = document.lotto.numbercount;
var numbercount = nummenu.options[nummenu.selectedIndex].value*1;
var maxnumbers = document.lotto.maxnum.value*1;
if (numbercount > maxnumbers) {
alert("Be sure to select a max lottery number value!");
}
else {
var ok = 1;
r = new Array (numbercount);
for (var i = 1; i <= numbercount; i++) {
r[i] = Math.round(Math.random() * (maxnumbers-1))+1;
}
for (var i = numbercount; i >= 1; i--) {
for (var j = numbercount; j >= 1; j--) {
if ((i != j) && (r[i] == r[j])) ok = 0; 
   }   
}
if (ok) {
var output = "";
for (var k = 1; k <= numbercount; k++) {
output += "Number " + k + " = " + r[k] + "\n";
}
document.lotto.results.value = output;
}     
else numbers();
   }
}
//  End -->
</script>
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<A HREF="../index.htm" /" TARGET="_top"><FONT COLOR="#0000FF"><b>Home</b></font></A>
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<A HREF="index.htm" /games/"><font color="#FF0000"><b>Games</b></font></A>
<img src="../img/arrow.gif" /img/arrow.gif" height=13 width=7 border=0 alt="}">
<FONT COLOR="#006666"><b>Lottery Numbers</b></font></font>
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<!-- Description --><!--content_start-->
This JavaScript will help you pick your lottery numbers. Pick how many numbers you want (pick 3 ?) and then give it a number range and out comes your lottery numbers! Try it!
<hr>
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<!-- Demonstration -->
<center>
<form name="lotto">
<table width=100% border=0>
<tr>
<td align=center>Pick 
<select name="numbercount">
<option value="1">1
<option value="2">2
<option value="3">3
<option value="4">4
<option value="5">5
<option value="6" selected>6
<option value="7">7
<option value="8">8
<option value="9">9
<option value="10">10
</select>  
numbers<br>
from 1 through <input type=text name=maxnum value="49" size=2 maxlength=2><br>
<input type=button value="Pick Numbers" onClick="numbers()">
<p>
<textarea name="results" rows=11 cols=15></textarea>
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<tr><td BGCOLOR=yellow><font FACE="helvetica,arial,geneva"><b>JavaScript Source Code 3000:  Games:  Lottery Numbers</b>
<p>Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Apple-s).  The script is yours!!!
<br><br></font></td></tr>
<tr><td BGCOLOR=yellow ALIGN=CENTER>
<form NAME="copy">

<DIV align="center">
<input type=button value="Highlight All" onClick="javascript:this.form.txt.focus();this.form.txt.select();">&nbsp;&nbsp;&nbsp;&nbsp;
<INPUT TYPE="text" NAME="total" VALUE="Script Size:  1.91 KB" size=24>
</DIV>

<textarea NAME="txt" ROWS=20 COLS=75 WRAP=VIRTUAL>

&lt;!-- TWO STEPS TO INSTALL LOTTERY NUMBERS:

  1.  Copy the coding into the HEAD of your HTML document
  2.  Add the last code into the BODY of your HTML document  --&gt;

&lt;!-- STEP ONE: Paste this code into the HEAD of your HTML document  --&gt;

&lt;HEAD&gt;

&lt;SCRIPT LANGUAGE="JavaScript"&gt;

&lt;! &gt;
&lt;! &gt;

&lt;!-- Begin
function numbers() {
var nummenu = document.lotto.numbercount;
var numbercount = nummenu.options[nummenu.selectedIndex].value*1;
var maxnumbers = document.lotto.maxnum.value*1;
if (numbercount > maxnumbers) {
alert("Be sure to select a max lottery number value!");
}
else {
var ok = 1;
r = new Array (numbercount);
for (var i = 1; i &lt;= numbercount; i++) {
r[i] = Math.round(Math.random() * (maxnumbers-1))+1;
}
for (var i = numbercount; i &gt;= 1; i--) {
for (var j = numbercount; j &gt;= 1; j--) {
if ((i != j) && (r[i] == r[j])) ok = 0; 
   }   
}
if (ok) {
var output = "";
for (var k = 1; k &lt;= numbercount; k++) {
output += "Number " + k + " = " + r[k] + "\n";
}
document.lotto.results.value = output;
}     
else numbers();
   }
}
//  End --&gt;
&lt;/script&gt;
&lt;/HEAD&gt;

&lt;!-- STEP TWO: Copy this code into the BODY of your HTML document  --&gt;

&lt;BODY&gt;

&lt;center&gt;
&lt;form name="lotto"&gt;
&lt;table width=100% border=0&gt;
&lt;tr&gt;
&lt;td align=center&gt;Pick 
&lt;select name="numbercount"&gt;
&lt;option value="1"&gt;1
&lt;option value="2"&gt;2
&lt;option value="3"&gt;3
&lt;option value="4"&gt;4
&lt;option value="5"&gt;5
&lt;option value="6" selected&gt;6
&lt;option value="7"&gt;7
&lt;option value="8"&gt;8
&lt;option value="9"&gt;9
&lt;option value="10"&gt;10
&lt;/select&gt;  
numbers&lt;br&gt;
from 1 through &lt;input type=text name=maxnum value="49" size=2 maxlength=2&gt;&lt;br&gt;
&lt;input type=button value="Pick Numbers" onClick="numbers()"&gt;
&lt;p&gt;
&lt;textarea name="results" rows=11 cols=15&gt;&lt;/textarea&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;/table&gt;
&lt;/form&gt;
&lt;/center&gt;

 

&lt;!-- Script Size:  1.91 KB --&gt;</textarea><br><font FACE="helvetica,arial,geneva"></font></td></tr>

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